Worthworthyworthwhile用法区别.ppt

Worth,worthy,worthwhile 用法区别,1.worth,(1).作表语形容词+doing(主动形式表被动意义）、名词或“数词+名词”。可以用形式主语it。在句中多作表语。Eg.Work is worth doing if worth doing well.Thomas Carlyle.一件事如果值得做好，就值得去做。-卡莱尔（英国史学家）All the splendour(荣华富贵）in the world is not worth a good friend.A man who knows two languages is worth two men.,(2).可用作后置定语Eg.That is a piece of land worth 4500.(3).不能当动词用It does not worth a penny.(4).可用作名词When the well is dry,we know the worth of water.-Franklin(美国富兰克林）井水枯竭之时，方知水的可贵。A friend is a gift,whose worth cannot be measured except by heart.Bible朋友是份厚礼，它的价值只有心灵才能深深地感知。-圣经,Worthless(无价值的）worth,worthwhile In fact,money alone is almost worthless.,2.worthwhile,(1).作表语时，可写作worth while,中间可插入物主代词。+ving or to do.句首可用形式主语it.Eg.It is worth while visiting/to visit Paris.The research work is worth our while.These results were not worthwhile.,(2).作定语时，可写作worthwhile,Eg.The only worthwhile achievements of man are those which are socially useful.Only a life lived for others is a life worthwhile.Albert Einstein.,3.Worthy of,(1).作表语：不能用it 作形式主语。后面要接被动语态，a.+不定式to be done；b.+被动动名词being done；c.+具有被动意义的动作名词；d.+主动态不定式作状语Eg.a.This article is worthy to be written.B.This grammar book is worthy of being read.C.His behavior is worthy of praise.D.He is worthy to receive such an honor.,(2)作定语A.worthy 作前置定语Eg.The worthy（可敬的）gentleman couldt even tell wheat from barley.(大麦）B.of 作后置定语Eg.The scientist is a man worthy of the honor.,他的建议值得考虑。1.His suggestion is worth our consideration.2.His suggestion is(well)worth considering.3.It is worth considering his suggestion.4.His suggestion is worthy of consideration.,5.His suggestion is worthy to be considered.6.His suggestion is worthy of being considered.7.It is worth while considering his suggestion.8.It is worth while to consider his suggestion.9.To consider his suggestion is worth our while.10.Considering his suggestion is worth our while.,